Seiko Cal. 6140 - 256

Seiko 6140-256

This Quartz model from 1979 features a 36mm Hardlex-Coated Steel case. Powered by the 6140 caliber with 18j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-f9461d73f767]

Also known as: Helmet, Goldfeather

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Cream
Jewels
18j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1979

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